Answer:
3D= -2
5D= -4
Step-by-step explanation:
3D = 2d -2
3d - 2d = -2
d= -2
5d =4d-4
5d - 4d = -4
d = -4
hope it will help you
The length of the third side of the quadrilateral is 7.5 cm.
<h3>
Quadrilateral</h3>
A quadrilateral is a polygon that has four sides and four angles. The sum of interior angles in a quadrilateral is 360°. Types of quadrilateral are square, rectangle, rhombus, kite and so on.
Let x represent the length of the third side, hence:
x = 5 + (5 * sin(20)) + (5 * sin(10)) = 7.5 cm
The length of the third side of the quadrilateral is 7.5 cm.
Find out more on Quadrilateral at: brainly.com/question/16691874
Answer: $20
Step-by-step explanation:
8 divided by 12 = .67
.67 times 30
Answer:
KON
Step-by-step explanation:
